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Finding the Fourth Proportional to 146,100.75, 218,985.03 and 61,808.37

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Solution

The fourth proportional to 146,100.75, 218,985.03 and 61,808.37 is: 92,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,100.75 : 218,985.03 = 61,808.37 : x
  2. Step 2: Convert to fraction form
    146,100.75/218,985.03 = 61,808.37/x
  3. Step 3: Cross multiply
    146,100.75x = 218,985.03 × 61,808.37
  4. Step 4: Simplify right side
    146,100.75x = 13,535,107,758.70
  5. Step 5: Solve for x
    x = 13,535,107,758.70/146,100.75
  6. Step 6: Final answer
    x = 92,642.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.